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1213033219 is a prime number
BaseRepresentation
bin100100001001101…
…0110101100000011
310010112112110202021
41020103112230003
54441014030334
6320211302311
742026416666
oct11023265403
93115473667
101213033219
115727a88a2
1229a2aa997
13164408848
14b71636dd
15717623b4
hex484d6b03

1213033219 has 2 divisors, whose sum is σ = 1213033220. Its totient is φ = 1213033218.

The previous prime is 1213033201. The next prime is 1213033223. The reversal of 1213033219 is 9123303121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1213033219 - 29 = 1213032707 is a prime.

It is a super-2 number, since 2×12130332192 = 2942899180795003922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1213033193 and 1213033202.

It is not a weakly prime, because it can be changed into another prime (1213033279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606516609 + 606516610.

It is an arithmetic number, because the mean of its divisors is an integer number (606516610).

Almost surely, 21213033219 is an apocalyptic number.

1213033219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213033219 is an equidigital number, since it uses as much as digits as its factorization.

1213033219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 1213033219 is about 34828.6264299929. The cubic root of 1213033219 is about 1066.4919083599.

The spelling of 1213033219 in words is "one billion, two hundred thirteen million, thirty-three thousand, two hundred nineteen".